Please use this identifier to cite or link to this item: https://hdl.handle.net/2440/86524
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Type: Journal article
Title: Epigenomic plasticity within populations: its evolutionary significance and potential
Author: Johnson, L.J.
Tricker, P.J.
Citation: Heredity, 2010; 105(1):113-121
Publisher: Nature Publishing Group
Issue Date: 2010
ISSN: 0018-067X
1365-2540
Statement of
Responsibility: 
J Johnson and P J Tricker
Abstract: Epigenetics has progressed rapidly from an obscure quirk of heredity into a data-heavy ‘omic’ science. Our understanding of the molecular mechanisms of epigenomic regulation, and the extent of its importance in nature, are far from complete, but in spite of such drawbacks, population-level studies are extremely valuable: epigenomic regulation is involved in several processes central to evolutionary biology including phenotypic plasticity, evolvability and the mediation of intragenomic conflicts. The first studies of epigenomic variation within populations suggest high levels of phenotypically relevant variation, with the patterns of epigenetic regulation varying between individuals and genome regions as well as with environment. Epigenetic mechanisms appear to function primarily as genome defences, but result in the maintenance of plasticity together with a degree of buffering of developmental programmes; periodic breakdown of epigenetic buffering could potentially cause variation in rates of phenotypic evolution.
Keywords: Epigenetics; population genomics; canalisation; capacitance
Rights: © 2010 Macmillan Publishers. All rights reserved.
DOI: 10.1038/hdy.2010.25
Published version: http://dx.doi.org/10.1038/hdy.2010.25
Appears in Collections:Agriculture, Food and Wine publications
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